KHCO3 Allan D R, Marshall W G, Pulham C R American Mineralogist 92 (2007) 1018-1025 The high-pressure crystal structure of potassium hydrogen carbonate (KHCO3) Note: Kalicinite-type structure Sample: P = 1.17 GPa _database_code_amcsd 0004367 14.803 5.5641 3.6509 90 103.021 90 P2_1/a atom x y z K .1656 .024 .308 D .0110 .700 .548 C .1194 .536 .872 O1 .1952 .540 .110 O2 .0747 .723 .725 O3 .0841 .330 .726